| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.64 | -0.15 |
| Feb | 2.88 | 2.89 | -0.01 |
| Mar | 3.99 | 3.93 | 0.06 |
| Apr | 3.41 | 3.63 | -0.22 |
| May | 3.78 | 3.95 | -0.17 |
| Jun | 4.37 | 4.61 | -0.24 |
| Jul | 5.51 | 5.24 | 0.27 |
| Aug | 5.16 | 5.57 | -0.41 |
| Sep | 5.25 | 5.35 | -0.10 |
| Oct | 3.99 | 4.38 | -0.39 |
| Nov | 3.30 | 3.46 | -0.16 |
| Dec | 3.34 | 3.59 | -0.25 |
48.47 | 50.24 | -1.77 |